• 500/1500 per pack capillary tubes, 0.3 mm inner diameter, 0.5 mm outer diameter, 100mm length. Both ends open. • With a relatively large quantity of 500 or 1500 tubes, at a highly affordable price, one can say goodbye to reusing capillary tubes in TLC spotting (or any other application), other than perhaps using both ends once each. Save the time, effort, washing solvent and risk of contamination, and focus on more important aspects of your research! • Upgraded convenient packaging with 1.5mm diameter hole on cap for easy tube drawing without need to open the cap or keeping it open all the time. • As shown in photos, approximate spotting volume as tested for dichloromethane is 20mm x (0.15mm)2 x 3.14 = 1.5µL, • for acetone is 30mm x (0.15mm)2 x 3.14 = 2µL • for water is 50mm x (0.15mm)2 x 3.14 = 3.5µL • for Hexanes is 28mm x (0.15mm)2 x 3.14 = 2µL• for Ethyl Acetate is 28mm x (0.15mm)2 x 3.14 = 2µL• for Isopropyl Alcohol is 32mm x (0.15mm)2 x 3.14 = 2.3µLTesting method used is having the tube at a straight up angle and allowing the liquid to keep on climbing until it stops. • Free shipping with USPS first class. Will ship out the next business day, and you will receive it in 2-4 business days. Visit our storefront or click below for more sizes and quantity: Extra thin 0.2-0.25mm x 100mm tubes: 500 or 1500/pk 0.3mm x 100mm tubes: 500 or 1500/pk 0.5mm x 100mm tubes: 500 or 1000/pk 1.4mm x 100mm large capillary tubes: 280 or 140/pk 1.4mm x 100mm melting point tubes: 280 or 140/pk Custom orders welcome, please send us a message to get a quote. 8.625% sales tax for NY orders.
